// Mgmt
// Copyright (C) James Shubin and the project contributors
// Written by James Shubin <james@shubin.ca> and the project contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
// Additional permission under GNU GPL version 3 section 7
//
// If you modify this program, or any covered work, by linking or combining it
// with embedded mcl code and modules (and that the embedded mcl code and
// modules which link with this program, contain a copy of their source code in
// the authoritative form) containing parts covered by the terms of any other
// license, the licensors of this program grant you additional permission to
// convey the resulting work. Furthermore, the licensors of this program grant
// the original author, James Shubin, additional permission to update this
// additional permission if he deems it necessary to achieve the goals of this
// additional permission.

//go:build !root

package util

import (
	"reflect"
	"testing"
)

func TestMapSwap1(t *testing.T) {
	m := map[string]int{
		"zero": 0,
		"one":  1,
		"two":  2,
	}
	ret, err := MapSwap(m)
	if err != nil {
		t.Errorf("test failed with: %v", err)
		return
	}

	exp := map[int]string{
		0: "zero",
		1: "one",
		2: "two",
	}
	if !reflect.DeepEqual(exp, ret) {
		t.Errorf("expected: %v, actual: %v", exp, ret)
	}
}

func TestMapSwap2(t *testing.T) {
	m := map[int]string{
		0: "zero",
		1: "one",
		2: "two",
	}
	ret, err := MapSwap(m)
	if err != nil {
		t.Errorf("test failed with: %v", err)
		return
	}

	exp := map[string]int{
		"zero": 0,
		"one":  1,
		"two":  2,
	}
	if !reflect.DeepEqual(exp, ret) {
		t.Errorf("expected: %v, actual: %v", exp, ret)
	}
}

func TestMapSwap3(t *testing.T) {
	m := map[int]string{
		0: "zero",
		1: "one",
		2: "zero", // dupe!
	}
	ret, err := MapSwap(m)
	if err == nil {
		t.Errorf("test expected failure but passed with: %v", ret)
	}
}
